289002480 has 160 divisors (see below), whose sum is σ = 971604480. Its totient is φ = 70640640.

The previous prime is 289002463. The next prime is 289002503. The reversal of 289002480 is 84200982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 658101 + ... + 658539.

It is an arithmetic number, because the mean of its divisors is an integer number (6072528).

Almost surely, 2^289002480 is an apocalyptic number.

289002480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289002480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485802240).

289002480 is an abundant number, since it is smaller than the sum of its proper divisors (682602000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289002480 is a wasteful number, since it uses less digits than its factorization.

289002480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 289002480 is about 17000.0729410200. The cubic root of 289002480 is about 661.1507930160.

The spelling of 289002480 in words is "two hundred eighty-nine million, two thousand, four hundred eighty".